Delphi DLL Requires Chilkat v11.0.0+

Base64url Encoding

See more Encryption Examples

Base64url encoding is identical to base64 encoding except it uses non-reserved URL characters (e.g. '–' is used instead of '+', and '_' is used instead of '/') and it omits the padding characters. Delphi DLL

var
success: Boolean;
pkey: HCkPrivateKey;
rsa: HCkRsa;
strData: PWideChar;
strSig: PWideChar;

begin
success := False;

//  This example requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

pkey := CkPrivateKey_Create();
rsa := CkRsa_Create();
CkRsa_GenKey(rsa,1024,pkey);
CkRsa_UsePrivateKey(rsa,pkey);

strData := 'This is the string to be signed.';

//  Get the signature in base64url
CkRsa_putEncodingMode(rsa,'base64url');
strSig := CkRsa__signStringENC(rsa,strData,'sha256');

Memo1.Lines.Add(strSig);

CkPrivateKey_Dispose(pkey);
CkRsa_Dispose(rsa);